Design for Nose or Ear Hair Stainless Steel Blade Easy Cleaning Design Battery Type (AA X 1) Features: Designed for Nose or Ear Hair / Easy Cleaning Design / Easy-to-grip Ergonomically Curved Design Blade type: Stainless Steel Blade Battery Type: (AA X 1) Note*: The nose clipper uses dual-edge, hypoallergenic curved blades to trim nose hair from the top and sides for smooth, comfortable trimming Note*: Fully washable (work both wet&dry). The Vortex Cleaning System draws in faucet water from all sides and spins it through the nose hair clipper for easy cleaning.